44caliber | 95b27d71fe29def39d849d337649ef73d189262a10f9e35dca407176c98bdc2f

General

Target

567d10dc616a037e225b1a669a2cf7f9_JaffaCakes118.exe
Size

5.6MB
MD5

567d10dc616a037e225b1a669a2cf7f9
SHA1

5341202e2572b57293fdb1ba328f2656e5ee4da2
SHA256

95b27d71fe29def39d849d337649ef73d189262a10f9e35dca407176c98bdc2f
SHA512

25e541fcc518c408ac5f453fc8ede349d186cd984cc8b8ad774a29fbd874ce15eb6c65d164371d55ae5f9265bde73cb3cd8eea067a52ecb9b09b49a6cf744b4a
SSDEEP

98304:5XdiSRAXXY2Ru8/fFxRtJSr9lXzPKk1/73esGItrROT4u27Mr3XQ7FsQvsw0R:5tiSRCXY2H/fFxRzojb1/rGIIXQ7SN

Score

10^/10

44caliber spyware stealer vmprotect

Malware Config

Extracted

Family

44caliber

C2

https://discordapp.com/api/webhooks/892778422043041873/gYqLiMf-cpigl0WIlIn8gWAFktijHzZBx8-bcU6yxyaLimlCeY0552wy36J78fXd1Na8

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber
Executes dropped EXE 2 IoCs

Processes:

Insidious.exeNetsh Gang Bat.exe

pid process

2752 Insidious.exe
2104 Netsh Gang Bat.exe
Loads dropped DLL 3 IoCs

Processes:

567d10dc616a037e225b1a669a2cf7f9_JaffaCakes118.exe

pid process

2516 567d10dc616a037e225b1a669a2cf7f9_JaffaCakes118.exe
2516 567d10dc616a037e225b1a669a2cf7f9_JaffaCakes118.exe
2760
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

pid	process
2752	Insidious.exe
2104	Netsh Gang Bat.exe

VMProtect packed file 3 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

Processes:

resource	yara_rule
behavioral1/memory/2516-43-0x0000000000400000-0x0000000000D34000-memory.dmp	vmprotect
behavioral1/memory/2516-44-0x0000000000400000-0x0000000000D34000-memory.dmp	vmprotect
behavioral1/memory/2516-56-0x0000000000400000-0x0000000000D34000-memory.dmp	vmprotect

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 freegeoip.app
5 freegeoip.app
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

567d10dc616a037e225b1a669a2cf7f9_JaffaCakes118.exe

pid process

2516 567d10dc616a037e225b1a669a2cf7f9_JaffaCakes118.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

flow	ioc
4	freegeoip.app
5	freegeoip.app

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Insidious.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	Insidious.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	Insidious.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

567d10dc616a037e225b1a669a2cf7f9_JaffaCakes118.exeInsidious.exe

pid	process
2516	567d10dc616a037e225b1a669a2cf7f9_JaffaCakes118.exe
2516	567d10dc616a037e225b1a669a2cf7f9_JaffaCakes118.exe
2752	Insidious.exe
2752	Insidious.exe
2752	Insidious.exe
2752	Insidious.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Insidious.exe

description pid process

Token: SeDebugPrivilege 2752 Insidious.exe

description	pid	process
Token: SeDebugPrivilege	2752	Insidious.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

567d10dc616a037e225b1a669a2cf7f9_JaffaCakes118.exe

description	pid	process	target process
PID 2516 wrote to memory of 2752	2516	567d10dc616a037e225b1a669a2cf7f9_JaffaCakes118.exe	Insidious.exe
PID 2516 wrote to memory of 2752	2516	567d10dc616a037e225b1a669a2cf7f9_JaffaCakes118.exe	Insidious.exe
PID 2516 wrote to memory of 2752	2516	567d10dc616a037e225b1a669a2cf7f9_JaffaCakes118.exe	Insidious.exe
PID 2516 wrote to memory of 2752	2516	567d10dc616a037e225b1a669a2cf7f9_JaffaCakes118.exe	Insidious.exe
PID 2516 wrote to memory of 2104	2516	567d10dc616a037e225b1a669a2cf7f9_JaffaCakes118.exe	Netsh Gang Bat.exe
PID 2516 wrote to memory of 2104	2516	567d10dc616a037e225b1a669a2cf7f9_JaffaCakes118.exe	Netsh Gang Bat.exe
PID 2516 wrote to memory of 2104	2516	567d10dc616a037e225b1a669a2cf7f9_JaffaCakes118.exe	Netsh Gang Bat.exe
PID 2516 wrote to memory of 2104	2516	567d10dc616a037e225b1a669a2cf7f9_JaffaCakes118.exe	Netsh Gang Bat.exe

C:\Users\Admin\AppData\Local\Temp\567d10dc616a037e225b1a669a2cf7f9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\567d10dc616a037e225b1a669a2cf7f9_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Users\Admin\AppData\Local\Temp\Insidious.exe
  "C:\Users\Admin\AppData\Local\Temp\Insidious.exe"
  2⤵
  - Executes dropped EXE
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2752
- C:\Users\Admin\AppData\Local\Temp\Netsh Gang Bat.exe
  "C:\Users\Admin\AppData\Local\Temp\Netsh Gang Bat.exe"
  2⤵
  - Executes dropped EXE
  PID:2104

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Insidious.exe

Filesize
274KB

MD5
2449b1ed616ff673f7207683e618c36a

SHA1
2324a0a9228eb38895256f6e4b38508e3ad3fbf9

SHA256
a01857befcc1726e1026037eefaede516b0ade74ed196cb87c2bf4ee17096923

SHA512
84789d137c3a1617aa670d72296a5346d9f341d4a9bad20336bce1a36452272a6b5aac0f340bf3e6642329146685ad21de8e12962863bf1d9c698f6c6cbdb886

Download Submit
C:\Users\Admin\AppData\Roaming\44\Process.txt

Filesize
457B

MD5
f756c76dd6941c81374acc52f0030cf6

SHA1
66a1e5e14da4ec7ea9c22ba7bcd0e8063313a120

SHA256
e25aa97077398b508c5e516b3dc1321f87416e21b7cc67a6ae283c00fa2e3fac

SHA512
91b070eb21b1788e38ba7b8af28f264874ddb22b6ccb6996c069b19e2db1454f0565fe898b185e010691d2148b049a9fe097416b5b60d96f6a83124ba81886e6

Download Submit
\Users\Admin\AppData\Local\Temp\Netsh Gang Bat.exe

Filesize
122KB

MD5
22f7d003c8304329e091ec4d12da5936

SHA1
0d96344082ad8a05c4d811522776cfeefe3fa2b0

SHA256
c97ab40a01f9c6fb2a866134f401bb5d86f4a9d97b28bd1d81d95704099f91fd

SHA512
fbb352838a5202b2e9ba1ac951a47f4734609a457a8a8419efea5bd768599be8e54095546b954ba68d7e1b7eebe6b220fc2d50201538bdf123eb21eb152b5782

Download Submit
memory/2516-30-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2516-33-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2516-8-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2516-6-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2516-5-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2516-3-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2516-1-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2516-0-0x0000000000408000-0x0000000000791000-memory.dmp

Filesize
3.5MB

Download
memory/2516-23-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2516-25-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2516-28-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2516-20-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2516-31-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2516-10-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2516-35-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2516-36-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2516-38-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2516-40-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2516-43-0x0000000000400000-0x0000000000D34000-memory.dmp

Filesize
9.2MB

Download
memory/2516-44-0x0000000000400000-0x0000000000D34000-memory.dmp

Filesize
9.2MB

Download
memory/2516-13-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2516-15-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2516-18-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2516-57-0x0000000000408000-0x0000000000791000-memory.dmp

Filesize
3.5MB

Download
memory/2516-56-0x0000000000400000-0x0000000000D34000-memory.dmp

Filesize
9.2MB

Download
memory/2752-55-0x00000000009E0000-0x0000000000A2A000-memory.dmp

Filesize
296KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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